* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --vf-primary: #2563eb;
    --vf-primary-dark: #1e40af;
    --vf-accent: #3b82f6;
    --vf-text: #1f2937;
    --vf-text-muted: #6b7280;
    --vf-bg: #f9fafb;
    --vf-white: #ffffff;
    --vf-border: #e5e7eb;
    --vf-ok: #10b981;
    --vf-warn: #f59e0b;
    --vf-err: #ef4444;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--vf-text);
    background-color: var(--vf-white);
    overflow-x: hidden;
}

.vf-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: var(--vf-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.vf-header-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.vf-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--vf-primary);
    font-size: 1.5rem;
    font-weight: 700;
    transition: transform 0.3s ease;
}

.vf-logo:hover {
    transform: scale(1.05);
}

.vf-logo i {
    font-size: 2rem;
}

.vf-nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.vf-nav-list li a {
    text-decoration: none;
    color: var(--vf-text);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.vf-nav-list li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--vf-primary);
    transition: width 0.3s ease;
}

.vf-nav-list li a:hover {
    color: var(--vf-primary);
}

.vf-nav-list li a:hover::after {
    width: 100%;
}

/* CTA buton menüde link çizgisiz, buton gibi görünsün; yazı beyaz */
.vf-nav-list li a.vf-cta-btn {
    padding: 0.75rem 1.5rem;
    color: #ffffff;
}
.vf-nav-list li a.vf-cta-btn:hover {
    color: #ffffff;
}
.vf-nav-list li a.vf-cta-btn::after {
    display: none;
    content: none;
}

.vf-cta-btn {
    background-color: var(--vf-primary);
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.vf-cta-btn:hover {
    background-color: var(--vf-primary-dark);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.vf-nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.vf-nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--vf-text);
    transition: all 0.3s ease;
    border-radius: 3px;
}

.vf-nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.vf-nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.vf-nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.vf-hero {
    background: linear-gradient(135deg, var(--vf-primary) 0%, var(--vf-primary-dark) 100%);
    color: var(--vf-white);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.vf-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.5;
}

.vf-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.vf-hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.vf-hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.vf-hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.vf-btn-primary, .vf-btn-secondary {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.vf-btn-primary {
    background-color: var(--vf-white);
    color: var(--vf-primary);
}

.vf-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.vf-btn-secondary {
    background-color: transparent;
    color: var(--vf-white);
    border: 2px solid var(--vf-white);
}

.vf-btn-secondary:hover {
    background-color: var(--vf-white);
    color: var(--vf-primary);
}

section {
    padding: 5rem 0;
}

.vf-section-head {
    text-align: center;
    margin-bottom: 3rem;
}

.vf-section-head h2 {
    font-size: 2.5rem;
    color: var(--vf-text);
    margin-bottom: 1rem;
}

.vf-section-head p {
    font-size: 1.125rem;
    color: var(--vf-text-muted);
    max-width: 700px;
    margin: 0 auto;
}

.vf-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.vf-feature-block {
    background-color: var(--vf-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--vf-border);
}

.vf-feature-block:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--vf-primary);
}

.vf-feature-ico {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--vf-primary), var(--vf-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--vf-white);
}

.vf-feature-block h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--vf-text);
}

.vf-feature-block p {
    color: var(--vf-text-muted);
    line-height: 1.7;
}

.vf-stats {
    background-color: var(--vf-bg);
}

.vf-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
}

.vf-stat-block {
    background-color: var(--vf-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.vf-stat-num {
    font-size: 3rem;
    font-weight: 700;
    color: var(--vf-primary);
    margin-bottom: 0.5rem;
}

.vf-stat-text {
    font-size: 1.125rem;
    color: var(--vf-text-muted);
}

.vf-cta-block {
    background: linear-gradient(135deg, var(--vf-primary) 0%, var(--vf-primary-dark) 100%);
    color: var(--vf-white);
    text-align: center;
    padding: 5rem 0;
}

.vf-cta-block h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.vf-cta-block p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

footer {
    background-color: var(--vf-text);
    color: var(--vf-bg);
    padding: 3rem 0 1.5rem;
}

.vf-footer-inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.vf-footer-col h3 {
    color: var(--vf-white);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.vf-footer-col ul {
    list-style: none;
}

.vf-footer-col ul li {
    margin-bottom: 0.75rem;
}

.vf-footer-col ul li a {
    color: var(--vf-bg);
    text-decoration: none;
    transition: color 0.3s ease;
}

.vf-footer-col ul li a:hover {
    color: var(--vf-accent);
}

.vf-social {
    display: flex;
    gap: 1rem;
}

.vf-social a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--vf-white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.vf-social a:hover {
    background-color: var(--vf-primary);
    transform: translateY(-3px);
}

.vf-footer-bar {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: var(--vf-text-muted);
}

.vf-contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.vf-contact-block {
    background-color: var(--vf-bg);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--vf-border);
}

.vf-contact-block i {
    font-size: 3rem;
    color: var(--vf-primary);
    margin-bottom: 1rem;
}

.vf-contact-block h3 {
    margin-bottom: 1rem;
    color: var(--vf-text);
}

.vf-contact-block p, .vf-contact-block a {
    color: var(--vf-text-muted);
    text-decoration: none;
}

.vf-contact-block a:hover {
    color: var(--vf-primary);
}

.vf-map-wrap {
    margin-top: 3rem;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.vf-map-wrap iframe {
    width: 100%;
    height: 450px;
    border: none;
}

.vf-faq-wrap {
    max-width: 900px;
    margin: 0 auto;
}

.vf-faq-row {
    background-color: var(--vf-white);
    border: 1px solid var(--vf-border);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.vf-faq-row:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.vf-faq-trigger {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--vf-text);
    user-select: none;
}

.vf-faq-trigger i {
    color: var(--vf-primary);
    transition: transform 0.3s ease;
}

.vf-faq-row.active .vf-faq-trigger i {
    transform: rotate(180deg);
}

.vf-faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1.5rem;
    color: var(--vf-text-muted);
    line-height: 1.7;
}

.vf-faq-row.active .vf-faq-body {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

.vf-error-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
    text-align: center;
    padding: 2rem;
}

.vf-error-box i {
    font-size: 8rem;
    color: var(--vf-primary);
    margin-bottom: 2rem;
}

.vf-error-box h1 {
    font-size: 6rem;
    color: var(--vf-text);
    margin-bottom: 1rem;
}

.vf-error-box p {
    font-size: 1.25rem;
    color: var(--vf-text-muted);
    margin-bottom: 2rem;
}

.vf-legal {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

.vf-legal h2 {
    color: var(--vf-text);
    margin: 2rem 0 1rem;
    font-size: 1.75rem;
}

.vf-legal h3 {
    color: var(--vf-text);
    margin: 1.5rem 0 1rem;
    font-size: 1.4rem;
}

.vf-legal p {
    color: var(--vf-text-muted);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.vf-legal ul, .vf-legal ol {
    color: var(--vf-text-muted);
    line-height: 1.8;
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.vf-legal li {
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
    .vf-nav-toggle {
        display: flex;
    }

    nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--vf-white);
        transition: left 0.3s ease;
        overflow-y: auto;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }

    nav.active {
        left: 0;
    }

    nav .vf-nav-list {
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
    }

    nav .vf-nav-list li {
        width: 100%;
        text-align: center;
    }

    nav .vf-nav-list li a {
        display: block;
        padding: 1rem;
    }

    .vf-hero h1 {
        font-size: 2rem;
    }

    .vf-hero p {
        font-size: 1rem;
    }

    .vf-hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .vf-btn-primary, .vf-btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .vf-section-head h2 {
        font-size: 2rem;
    }

    .vf-features-grid {
        grid-template-columns: 1fr;
    }

    .vf-stats-grid {
        grid-template-columns: 1fr;
    }

    .vf-footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .vf-social {
        justify-content: center;
    }

    .vf-contact-grid {
        grid-template-columns: 1fr;
    }

    .vf-error-box h1 {
        font-size: 4rem;
    }

    .vf-error-box i {
        font-size: 5rem;
    }
}

@media (max-width: 480px) {
    .vf-hero h1 {
        font-size: 1.75rem;
    }

    .vf-section-head h2 {
        font-size: 1.75rem;
    }

    .vf-stat-num {
        font-size: 2.5rem;
    }

    .vf-cta-block h2 {
        font-size: 2rem;
    }
}